Cook County Value

8707 121st St Palos Park, IL 60464

4 bed / 1 bath, 2,278 sqft, built 1955, in Palos. Assessor market value for 2026: $570,000.

Cook County account 23261060200000

Likely too high

about $26,000

8 similar homes nearby point to a value about $26,000 lower than yours.

Assessor market value$570,000
Similar homes$543,530
$26,470 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$570,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,278 sqft
$250 per sqft
Year built
1955
Average quality

Why we think so

Similar homes' assessments

Strong

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $235.29/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $279,900. Counting your land in place of theirs where theirs is less, they support a value of $543,530.

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 60464 and Palos assessment pages.

Local guide: Palos Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Palos have closed (Assessor , Board of Review ). 2027 notices usually start in March.

Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.

Assessment snapshot

These public CCAO records highlight what may be worth checking before you file.

  • Assessment changeThe assessor market value increased 35.7% from $420,000 in 2025 to $570,000 in 2026.
  • Assessor market value per square footThe current public record shows about $250 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Palos neighborhood and ZIP 60464.
  • Neighborhood value signalAmong 1,213 residential records in the same neighborhood, the average assessor market value is about $212 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +23.4% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 12610 S 83rd Ave Palos Park, IL 60464
    2,187 sqft | $233/sqft | built 1955 | Similar size (2,187 vs 2,278 sqft); Built same year (1955); Similar lot size (44,700 vs 46,650 sqft)
    $510,000
  • 12400 S 82nd Ave Palos Park, IL 60464
    2,380 sqft | $235/sqft | built 1955 | Similar size (2,380 vs 2,278 sqft); Built same year (1955); Similar lot size (47,827 vs 46,650 sqft)
    $560,000
  • 11908 Laurie Ave Palos Park, IL 60464
    2,265 sqft | $238/sqft | built 1957 | Similar size (2,265 vs 2,278 sqft); Similar age (1957 vs 1955); Lot 16% smaller (39,310 vs 46,650 sqft)
    $540,000
  • 8750 W 131st St Palos Park, IL 60464
    2,250 sqft | $231/sqft | built 1950 | Similar size (2,250 vs 2,278 sqft); Similar age (1950 vs 1955); Similar lot size (44,218 vs 46,650 sqft)
    $520,000
  • 8300 W 119th St Palos Park, IL 60464
    2,276 sqft | $242/sqft | built 1947 | Similar size (2,276 vs 2,278 sqft); Lot 13% larger (52,794 vs 46,650 sqft); Same quality (Average)
    $550,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 12511 S Roma Rd Palos Park, IL 60464
    2,457 sqft | $273/sqft | built 1955 | 8% size difference (2,457 sqft); Similar age (1955); Same beds (4)
    $670,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 35.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$570,000+$150,000+35.7%
2025$420,000$00.0%
2024$420,000$00.0%
2023$420,000+$67,350+19.1%
2022$352,650$00.0%
2021$352,650−$20,990−5.6%
2020$373,640——
6-year total+$196,360+52.6%